- Second Breeding Atlas
Status
Tetrads
Possible
82
Confirmed
749
Total
831
Status
Tetrads
Present
17
Possible
284
Probable
0
Confirmed
218
Total
519
Not surveyed
18
Status
Tetrads
Possible
82
Confirmed
749
Total
831
Status
Tetrads
Present
17
Possible
284
Probable
0
Confirmed
218
Total
519
Not surveyed
18